import java.util.*;

public class Ejemplo
{



  public static void main(String[] args)
  {
    String word = "hola";
    String wholeUni = "hola aloh halo laho ola ddfa daffadfadkjl adrerjlkj arqerhkaf adlfkhlkehrolahdfa rqerq adlkfhalk";

   char[] seq = wholeUni.toCharArray();
   Set<Integer> hash_Set = new HashSet<Integer>();

   String copy =new String(word);
   int total = word.length();
   boolean isEmpty = true;

   for(int i = 0; i < seq.length; i++){

       if(copy.length() >= 0){
           isEmpty = false;
            int idx = copy.indexOf(seq[i]);

           if(idx >= 0){
               total--;
               copy = copy.substring(0, idx) + copy.substring(idx + 1);
           }else{

               total = word.length();
               copy = word;
           }
       }
       if(total == 0 && !isEmpty){
           System.out.println(i - (word.length() -1)  + " " + i );
       }

   }

/*
indexof y tratar de meterlos en un set,
si falla es que es una letra repetida
remover
*/

  }
   public static String sortString(String inputString)
    {
        char tempArray[] = inputString.toCharArray();
        Arrays.sort(tempArray);
        return new String(tempArray);
    }

}